#-------------------------------------------------------------
#
# (C) Copyright IBM Corp. 2010, 2015
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#-------------------------------------------------------------


args <- commandArgs(TRUE)
options(digits=22)

library("Matrix")

A <- as.vector(readMM(paste(args[1], "A.mtx", sep="")))
B <- as.vector(readMM(paste(args[1], "B.mtx", sep="")))

opcode = args[2];
if( opcode == "lt" ) { opcode = "<" }
if( opcode == "le" ) { opcode = "<=" }
if( opcode == "gt" ) { opcode = ">" }
if( opcode == "ge" ) { opcode = ">=" }
if( opcode == "eq" ) { opcode = "==" }
if( opcode == "ne" ) { opcode = "!=" }
if( opcode == "mult" ) { opcode = "*" }

C <- outer(A, B, opcode)
C <- as.matrix(C)

writeMM(as(C, "CsparseMatrix"), paste(args[3], "C", sep="")); 


